15934-43-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 15934-43-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,9,3 and 4 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 15934-43:
(7*1)+(6*5)+(5*9)+(4*3)+(3*4)+(2*4)+(1*3)=117
117 % 10 = 7
So 15934-43-7 is a valid CAS Registry Number.